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  1. By: Underwood, Todd J. - Underwood, Robyn M.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 127
    Issue: 2
    Date: 2013-10-27
    Page Range: 164--174
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Hinam, Heather L. - Sealy, Spencer G - Underwood, Todd J.
    Type: Article
    In: The Canadian field-naturalist
    Volume: 118
    Issue: 1
    Date: 2004-01-01
    Page Range: 85--89
    Publication Info: Ottawa Ottawa Field-Naturalists' Club